How To Measure A Kids Bike Frame

Kids bikes frame sizing is generally measured in.

How to measure a kids bike frame.

Bikes measured this way have frames designed relative to the size of tire so the larger the tire the larger the frame. Unlike adult sizing where the bike frame determines size in kids bikes the wheels set the proportions. Kids love biking but it s tricky to know what size and type they need. While not all bicycle frames have a size label it ll save you some work if yours does.

Merida s road bikes go through s s m m l and l. Kids bikes come in these different wheel diameter sizes. Kids bike size chart how to measure beginner bikes bikes for older kids safety assembly. Our guide is here to help you find the right bike for the age and size.

Kids bike size chart by inseam. If you find the tire size the first dimension is the tire diameter the second dimension is the tire thickness. 20 wheels won t work on a bike for a 3 year old for instance. Discover the difference between mountain bmx road and balance bikes and watch our.

If the size isn t given. This is the outer diameter of the existing tire. Select your bike size from the drop down on the right to see a rider chart. The seat tube is the long tube that the bike seat post sticks into.

Meanwhile wheels that are 24 inches in diameter are considered the last step before moving up to adult models. Measuring your child s inseam is the best way to find the right bike size. Some bikes use a simple overall bike measurement such as small medium large x large or. Kids bikes come in a sequence of wheel sizes because they have to scale the wheels with the frame.

Stand against the wall. Put a book to the top of your head. If you look near the bottom of this tube about 3 inches 7 6 cm up from the chain sprocket you ll see a glued on label that states the bike s frame size. There is not much variation in frame size for a given wheel diameter and kids bikes are designed to have a very large range of adjustability of sear height and handlebar position.

Remove anything from your head. Bike wheels start small with one size balance bikes for toddlers. Mark the place on the wall where the bottom of the box is resting. The correct frame size is the only way to ensure that your child reaches the floor safely and easily with both feet at the lowest saddle height.

The wheel size is based on the diameter of the tire see below and as each tire size gets larger so does the size of the bicycle frame. That s a system used for some road bikes too. That s not true of mountain bikes where the frame size is usually marked s m l etc. Measure from the floor to the pencil mark with a measuring tape.

12 inch 14 inch 16 inch 18 inch 20 inch 24 inch and now even 26 inch. This is calculated based on the diameter of the wheel or more simply the tire size.